Microcontrollers

Microcontrollers, also referred to as MCUs (microcontroller units), are embedded semiconductor devices used in circuit board design. They are essentially a computer within an integrated circuit (IC). Microcontrollers are mostly used in single-function embedded applications, unlike microprocessors which are designed for general-purpose work in Personal Computers, Tablets and Smartphones. Microcontrollers are limited in their clock speed compared to microprocessors by the relative slowness of their non-volatile Flash program memory.

What are they made up of?

Microcontrollers contain single or multiple processors (sometimes referred to as CPUs), plus memory and I/O peripherals. These peripherals include timers, ADCs (analogue-to-digital converters) and DACs (digital-to-analogue converters).

What does 8-bit mean?

Microcontrollers have a data bus width which describes the amount of data the MCU can process at a time. For example, an 8-bit microcontroller can process 8 bits at one time. Popular data bus widths include 8-bit, 16-bit and 32-bit MCUs.

What packages are there?

MCUs come in standard chip packages with various pin counts. Package types include:

  • LQFP
  • PDIP
  • QFN
  • SOIC
  • SSOP
  • TQFP
  • TSSOP

What are ARM processor cores?

Microcontrollers often contain an ARM microprocessor core. ARM represents an architecture developed by ARM Holdings, which is used by other companies to manufacture microprocessors and other devices such as System-on-Chip (SoCs).

  • Cortex-M0
  • Cortex-M0+
  • Cortex-M1
  • Cortex-M3
  • Cortex-M4
  • Cortex-M7
  • Cortex-M23
  • Cortex-M33
  • Cortex-M35P

Where are microcontrollers used?

  • Computers
  • Automotive
  • Robotics
  • Automation
  • Medical equipment
  • Home appliances

...
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Description Prix Family Name Package Type Mounting Type Pin Count Device Core Data Bus Width Program Memory Size Maximum Frequency RAM Size USB Channels Number of PWM Units ADC Channels Number of SPI Channels Typical Operating Supply Voltage
N° de stock RS 708-9861
Référence fabricantADUC7129BSTZ126
14,78 €
Each
Unité
ADuC7 LQFP Surface Mount 80 ARM7TDMI 16/32bit 126 kB 41.78MHz 8 kB - 1 14 1 3 → 3.6 V
N° de stock RS 523-6197
Référence fabricantADUC812BSZ
17,64 €
Each
Unité
ADuC8 MQFP Surface Mount 52 8052 8bit 8 kB, 640 B 16MHz 256 B - - 8 1 2.7 → 5.25 V
N° de stock RS 538-5198
Référence fabricantADUC848BSZ62-5
15,82 €
Each
Unité
ADuC8 MQFP Surface Mount 52 8052 8bit 4 kB, 62 kB 12.58MHz 2.304 kB - 1 10 1 2.7 → 5.25 V
N° de stock RS 497-1108
Référence fabricantADUC814BRUZ
10,20 €
Each
Unité
ADuC8 TSSOP Surface Mount 28 8052 8bit 8 kB, 640 B 16.78MHz 256 B - - 6 1 2.7 → 5.5 V
N° de stock RS 144-8389
Référence fabricantADUCM3027BCPZ
4,51 €
Each
Unité
ADuCM LFCSP Surface Mount 64 ARM Cortex M3 32bit 128 kB 26MHz 64 kB - - 8 3 3 V
N° de stock RS 158-1958
Référence fabricantADUC7060BSTZ32
6,888 €
Each (In a Tray of 250)
Unité
ADuC8 LQFP Surface Mount 48 ARM7TDMI 16/32bit 32 kB 10.24MHz 4 kB - 1 4 1 2.375 → 2.625 V
N° de stock RS 497-2397
Référence fabricantADUC816BSZ
17,61 €
Each
Unité
ADuC8 MQFP Surface Mount 52 8052 8bit 8 kB, 640 B 12.58MHz 256 B - - 1 1 2.7 → 5.25 V
N° de stock RS 708-9864
Référence fabricantADUC7060BSTZ32
9,70 €
Each
Unité
ADuC8 LQFP Surface Mount 48 ARM7TDMI 16/32bit 32 kB 10.24MHz 4 kB - 1 4 1 2.375 → 2.625 V
N° de stock RS 708-9397
Référence fabricantADUC7020BCPZ62
11,68 €
Each
Unité
ADuC7 LFCSP WQ Surface Mount 40 ARM7TDMI 16/32bit 62 kB 44MHz 8 kB - 1 5 1 2.7 → 3.6 V
N° de stock RS 160-9843
Référence fabricantADUC7060BCPZ32
6,49 €
Each (In a Tray of 260)
Unité
ADuC7 LFCSP Surface Mount 48 ARM7TDMI 16/32bit 32 kB 10.24MHz 4 kB - 1 4 1 2.5 V
N° de stock RS 820-9738
Référence fabricantADUC845BSZ62-5
20,21 €
Each
Unité
ADuC8 MQFP Surface Mount 52 8051 8bit 62 kB 12.58MHz 2.304 kB - 2 10 1 5 V
N° de stock RS 629-0984
Référence fabricantADUC834BSZ
20,41 €
Each
Unité
ADuC8 MQFP Surface Mount 52 8052 8bit 4 kB, 62 kB 12.58MHz 2.304 MB - 2 4 1 2.7 → 5.25 V
N° de stock RS 158-0454
Référence fabricantADUC834BSZ
19,336 €
Each (In a Tray of 96)
Unité
ADuC8 MQFP Surface Mount 52 8052 8bit 4 kB, 62 kB 12.58MHz 2.304 MB - 2 4 1 2.7 → 5.25 V
N° de stock RS 161-0580
Référence fabricantADUC814BRUZ
8,376 €
Each (In a Tube of 50)
Unité
ADuC8 TSSOP Surface Mount 28 8052 8bit 8 kB, 640 B 16.78MHz 256 B - - 6 1 2.7 → 5.5 V
N° de stock RS 139-1761
Référence fabricantADUCM3029BCPZ
7,47 €
Each
Unité
ADUCM LFCSP Surface Mount 64 ARM Cortex M3 32bit 256 kB 26MHz 64 kB - - 8 3 3 V
N° de stock RS 159-7707
Référence fabricantADUC842BCPZ62-3
13,822 €
Each (In a Tray of 260)
Unité
ADuC8 LFCSP Surface Mount 56 8052 8bit 62 kB 20MHz 2.304 kB - 2 8 1 3 V
N° de stock RS 697-7846
Référence fabricantADUC841BSZ62-5
16,05 €
Each
Unité
ADuC8 MQFP Surface Mount 52 8052 8bit 4 kB, 62 kB 20MHz 2.304 kB - 2 8 1 4.75 → 5.25 V
N° de stock RS 912-8731
Référence fabricantADUC842BSZ62-5
13,658 €
Each (In a Tray of 96)
Unité
ADuC8 MQFP Surface Mount 52 8052 8bit 4 kB, 62 kB 16.78MHz 2.304 kB - 2 8 1 4.75 → 5.25 V
N° de stock RS 160-2923
Référence fabricantADUC7124BCPZ126
8,227 €
Each (In a Tray of 260)
Unité
ADuC7 LFCSP Surface Mount 64 ARM7TDMI 16/32bit 126 kB 41.78MHz 32 kB - 1 16 1 3.3 V
N° de stock RS 158-0171
Référence fabricantADUC848BSZ62-5
12,99 €
Each (In a Tray of 96)
Unité
ADuC8 MQFP Surface Mount 52 8052 8bit 4 kB, 62 kB 12.58MHz 2.304 kB - 1 10 1 2.7 → 5.25 V